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        <span data-selectorname="span"> 基本信息 </span> 
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      <span> 学习成长 </span> 
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      <div class="ml-2 hidden md:block"> 
       <div class="text-sm font-medium">
         张明 
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       <div class="text-xs text-text-tertiary">
         销售部 
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     <div class="flex justify-between items-center mb-6" data-ytoriginindex="0" data-ytindex="0"> 
      <h2 class="text-2xl font-bold"> 课程中心 </h2> 
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       <button class="btn-outline" id="btn-course-search"> <i class="fas fa-search mr-2"> </i> 搜索课程 </button> 
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     <!-- 学习进度概览 --> 
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      <div class="bg-white rounded-lg card-shadow p-5 transform transition-transform duration-300 hover:scale-[1.02]"> 
       <div class="flex items-start justify-between mb-4"> 
        <div> 
         <p class="text-text-tertiary text-sm mb-1"> 进行中课程 </p> 
         <h3 class="text-2xl font-bold"> 3 </h3> 
        </div> 
        <div class="w-10 h-10 rounded-full bg-blue-100 flex items-center justify-center text-primary"> 
         <i class="fas fa-play-circle"> </i> 
        </div> 
       </div> 
       <div class="w-full bg-neutral rounded-full h-2 mb-1"> 
        <div class="bg-primary h-2 rounded-full" style="width: 65%"> 
        </div> 
       </div> 
       <p class="text-xs text-text-tertiary"> 总体进度 65% </p> 
      </div> 
      <div class="bg-white rounded-lg card-shadow p-5 transform transition-transform duration-300 hover:scale-[1.02]"> 
       <div class="flex items-start justify-between mb-4"> 
        <div> 
         <p class="text-text-tertiary text-sm mb-1"> 已完成课程 </p> 
         <h3 class="text-2xl font-bold"> 8 </h3> 
        </div> 
        <div class="w-10 h-10 rounded-full bg-green-100 flex items-center justify-center text-green-600"> 
         <i class="fas fa-check-circle"> </i> 
        </div> 
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       <div class="flex items-center text-sm text-text-secondary"> 
        <i class="fas fa-medal text-yellow-500 mr-1"> </i> 
        <span> 获得证书: 3 个 </span> 
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      </div> 
      <div class="bg-white rounded-lg card-shadow p-5 transform transition-transform duration-300 hover:scale-[1.02]"> 
       <div class="flex items-start justify-between mb-4"> 
        <div> 
         <p class="text-text-tertiary text-sm mb-1"> 学习时长 </p> 
         <h3 class="text-2xl font-bold"> 26.5h </h3> 
        </div> 
        <div class="w-10 h-10 rounded-full bg-purple-100 flex items-center justify-center text-purple-600"> 
         <i class="fas fa-clock"> </i> 
        </div> 
       </div> 
       <div class="flex items-center text-sm text-text-secondary"> 
        <i class="fas fa-arrow-up text-green-500 mr-1"> </i> 
        <span> 本月增长 12% </span> 
       </div> 
      </div> 
      <div class="bg-white rounded-lg card-shadow p-5 transform transition-transform duration-300 hover:scale-[1.02]" data-selectorname="#id-rq8q9" style> 
       <div class="flex items-start justify-between mb-4" style> 
        <div data-ytextravalue="extra-5ts6gwnru"> 
         <p class="text-text-tertiary text-sm mb-1" style data-ytoriginindex="0" data-ytindex="0"> 考试次数 </p> 
         <h3 class="text-2xl font-bold" style data-ytparentvalue="extra-5ts6gwnru" data-ytoriginindex="1" data-ytindex="1"> 12 </h3> 
        </div> 
        <div class="w-10 h-10 rounded-full bg-amber-100 flex items-center justify-center text-amber-600"> 
         <i class="fas fa-star"> </i> 
        </div> 
       </div> 
       <div class="flex items-center text-sm text-text-secondary"> 
        <span> 等级: </span> 
        <span class="ml-1 font-medium text-primary" style> 中级学习者 </span> 
       </div> 
      </div> 
     </div> 
     <!-- 进行中课程 --> 
     <div class="mb-8" data-ytextravalue="extra-62bxpjkch" data-ytparentvalue="extra-u46gclmcp" data-ytoriginindex="4" data-ytindex="3" style="position: relative; top: -1px; opacity: 1; color: rgb(29, 33, 41); font-family: Inter, system-ui, sans-serif; font-size: 16px; font-weight: 400; font-style: normal; line-height: 24px; text-align: start; text-indent: 0px;"> 
      <div class="flex justify-between items-center mb-5" data-ytparentvalue="extra-62bxpjkch" data-ytoriginindex="0" data-ytindex="0" style="opacity: 1; color: rgb(29, 33, 41); font-family: Inter, system-ui, sans-serif; font-size: 16px; font-weight: 400; font-style: normal; line-height: 24px; text-align: start; text-indent: 0px;"> 
       <h3 class="text-xl font-bold flex items-center" style> <i class="fas fa-spinner text-blue-500 mr-2"> </i> 进行中 </h3> 
       <a href="javascript:void(0);" class="text-primary text-sm font-medium hover:underline flex items-center"> 更多 <i class="fas fa-angle-right ml-1"> </i> </a> 
      </div> 
      <div class="bg-white rounded-lg card-shadow overflow-hidden" data-ytoriginindex="1" data-ytindex="1"> 
       <div class="overflow-x-auto"> 
        <table class="min-w-full divide-y divide-neutral-dark"> 
         <thead> 
          <tr> 
           <th class="table-header text-left w-1/2" style> 课程名称 </th> 
           <th class="table-header text-left"> 进度 </th> 
           <th class="table-header text-left"> 剩余时间 </th> 
           <th class="table-header text-left"> 上次学习 </th> 
           <th class="table-header text-left"> 操作 </th> 
          </tr> 
         </thead> 
         <tbody class="divide-y divide-neutral-dark"> 
          <tr class="table-row hover:bg-neutral/50 transition-colors duration-200"> 
           <td class="px-4 py-4 whitespace-nowrap" style> 
            <div class="flex items-center" style> 
             <img src="./1967868783729049600/133d75f8ce2d90183ba201a60a558d2a.png" alt="领导力提升" class="w-12 h-12 rounded object-cover mr-3"> 
             <div> 
              <div class="font-medium" style>
                领导力提升与团队管理 
              </div> 
              <div class="text-xs text-text-tertiary mt-0.5" style>
                团队管理 · 李教授 
              </div> 
             </div> 
            </div> </td> 
           <td class="px-4 py-4 whitespace-nowrap"> 
            <div class="w-full bg-neutral rounded-full h-2 mb-1"> 
             <div class="bg-primary h-2 rounded-full" style="width: 75%"> 
             </div> 
            </div> <p class="text-xs text-text-tertiary"> 75% </p> </td> 
           <td class="px-4 py-4 whitespace-nowrap text-sm"> 1.2小时 </td> 
           <td class="px-4 py-4 whitespace-nowrap text-sm text-text-secondary"> 昨天 15:30 </td> 
           <td class="px-4 py-4 whitespace-nowrap"> <button class="btn-primary px-3 py-1 text-sm"> <i class="fas fa-play mr-1"> </i> 继续学习 </button> </td> 
          </tr> 
          <tr class="table-row hover:bg-neutral/50 transition-colors duration-200"> 
           <td class="px-4 py-4 whitespace-nowrap" style> 
            <div class="flex items-center" style> 
             <img src="./1967868783729049600/a2fd6ae9aa6750760450b5ab9af21021.png" alt="数字化营销策略" class="w-12 h-12 rounded object-cover mr-3"> 
             <div style> 
              <div class="font-medium" style>
                数字化营销策略与实践 
              </div> 
              <div class="text-xs text-text-tertiary mt-0.5" style>
                业务知识 · 陈营销专家 
              </div> 
             </div> 
            </div> </td> 
           <td class="px-4 py-4 whitespace-nowrap"> 
            <div class="w-full bg-neutral rounded-full h-2 mb-1"> 
             <div class="bg-primary h-2 rounded-full" style="width: 40%"> 
             </div> 
            </div> <p class="text-xs text-text-tertiary"> 40% </p> </td> 
           <td class="px-4 py-4 whitespace-nowrap text-sm"> 3.5小时 </td> 
           <td class="px-4 py-4 whitespace-nowrap text-sm text-text-secondary"> 3天前 </td> 
           <td class="px-4 py-4 whitespace-nowrap"> <button class="btn-primary px-3 py-1 text-sm"> <i class="fas fa-play mr-1"> </i> 继续学习 </button> </td> 
          </tr> 
          <tr class="table-row hover:bg-neutral/50 transition-colors duration-200"> 
           <td class="px-4 py-4 whitespace-nowrap" style> 
            <div class="flex items-center" style> 
             <img src="./1967868783729049600/aa6ad8adc64269bdd8e01d4aeaffdfca.png" alt="客户服务技巧" class="w-12 h-12 rounded object-cover mr-3"> 
             <div> 
              <div class="font-medium">
                卓越客户服务技巧 
              </div> 
              <div class="text-xs text-text-tertiary mt-0.5">
                职业技能 · 王客服总监 
              </div> 
             </div> 
            </div> </td> 
           <td class="px-4 py-4 whitespace-nowrap"> 
            <div class="w-full bg-neutral rounded-full h-2 mb-1"> 
             <div class="bg-primary h-2 rounded-full" style="width: 25%"> 
             </div> 
            </div> <p class="text-xs text-text-tertiary"> 25% </p> </td> 
           <td class="px-4 py-4 whitespace-nowrap text-sm"> 2.8小时 </td> 
           <td class="px-4 py-4 whitespace-nowrap text-sm text-text-secondary"> 1周前 </td> 
           <td class="px-4 py-4 whitespace-nowrap"> <button class="btn-primary px-3 py-1 text-sm"> <i class="fas fa-play mr-1"> </i> 继续学习 </button> </td> 
          </tr> 
         </tbody> 
        </table> 
       </div> 
      </div> 
     </div> 
     <!-- 课程分类 --> 
     <div class="bg-white rounded-lg card-shadow p-5 mb-6 overflow-x-auto scrollbar-hide" data-ytoriginindex="2" data-ytindex="2" data-ytparentvalue="extra-u46gclmcp" data-ytextravalue="extra-0khvou9eg" style="opacity: 1; color: rgb(29, 33, 41); font-family: Inter, system-ui, sans-serif; font-size: 16px; font-weight: 400; font-style: normal; line-height: 24px; text-align: start; text-indent: 0px;"> 
      <div class="flex space-x-3 min-w-max" data-ytparentvalue="extra-0khvou9eg" data-ytoriginindex="0" data-ytindex="0" style="opacity: 1;"> 
       <button class="px-4 py-2 rounded-full bg-primary text-white text-sm font-medium flex items-center"> <i class="fas fa-th-large mr-2"> </i> 全部课程 </button> 
       <button class="px-4 py-2 rounded-full bg-neutral text-text-secondary text-sm font-medium hover:bg-neutral-dark transition-colors duration-200 flex items-center" style> <i class="fas fa-briefcase mr-2"> </i> 职业技能 </button> 
       <button class="px-4 py-2 rounded-full bg-neutral text-text-secondary text-sm font-medium hover:bg-neutral-dark transition-colors duration-200 flex items-center" style> <i class="fas fa-chart-line mr-2"> </i> 业务知识 </button> 
       <button class="px-4 py-2 rounded-full bg-neutral text-text-secondary text-sm font-medium hover:bg-neutral-dark transition-colors duration-200 flex items-center"> <i class="fas fa-lightbulb mr-2"> </i> 产品培训 </button> 
       <button class="px-4 py-2 rounded-full bg-neutral text-text-secondary text-sm font-medium hover:bg-neutral-dark transition-colors duration-200 flex items-center"> <i class="fas fa-users mr-2"> </i> 团队管理 </button> 
       <button class="px-4 py-2 rounded-full bg-neutral text-text-secondary text-sm font-medium hover:bg-neutral-dark transition-colors duration-200 flex items-center"> <i class="fas fa-laptop-code mr-2"> </i> 技术能力 </button> 
       <button class="px-4 py-2 rounded-full bg-neutral text-text-secondary text-sm font-medium hover:bg-neutral-dark transition-colors duration-200 flex items-center"> <i class="fas fa-language mr-2"> </i> 语言学习 </button> 
      </div> 
     </div> 
     <!-- 推荐课程 --> 
     <div class="mb-8" data-ytoriginindex="3" data-ytindex="4"> 
      <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-5"> 
       <!-- 课程卡片1 --> 
       <div class="bg-white rounded-lg card-shadow overflow-hidden group hover:shadow-lg transition-shadow duration-300"> 
        <div class="relative"> 
         <img src="./1967868783729049600/c65c1b8feacacbac2b8734b8e56df3fd.png" alt="高效沟通技巧" class="w-full h-48 object-cover transition-transform duration-500 group-hover:scale-105"> 
         <div class="absolute top-3 left-3"> 
          <span class="badge badge-primary"> 热门 </span> 
         </div> 
         <div class="absolute top-3 right-3 bg-black/50 text-white text-xs px-2 py-1 rounded"> 
          <i class="fas fa-clock mr-1"> </i> 4.5小时 
         </div> 
        </div> 
        <div class="p-5"> 
         <div class="flex items-center mb-2"> 
          <span class="badge badge-gray mr-2"> 职业技能 </span> 
          <div class="flex items-center text-yellow-500 text-xs"> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star-half-alt"> </i> 
           <span class="text-text-tertiary ml-1"> (128) </span> 
          </div> 
         </div> 
         <h4 class="text-lg font-semibold mb-2 group-hover:text-primary transition-colors duration-200"> 高效沟通技巧与团队协作 </h4> 
         <p class="text-text-secondary text-sm mb-4 line-clamp-2"> 提升职场沟通能力，掌握有效的团队协作方法，改善人际关系，提高工作效率。 </p> 
         <div class="flex items-center justify-between"> 
          <div class="flex items-center"> 
           <img src="./1967868783729049600/7d0fb642deddc4c2778d5a342b3eeb00.png" alt="讲师头像" class="w-8 h-8 rounded-full object-cover mr-2"> 
           <span class="text-sm text-text-secondary"> 李教授 </span> 
          </div> 
          <button class="btn-primary px-3 py-1.5 text-sm"> <i class="fas fa-play mr-1"> </i> 开始学习 </button> 
         </div> 
        </div> 
       </div> 
       <!-- 课程卡片2 --> 
       <div class="bg-white rounded-lg card-shadow overflow-hidden group hover:shadow-lg transition-shadow duration-300"> 
        <div class="relative"> 
         <img src="./1967868783729049600/6c656a50624898fea3d109641ea0c98e.png" alt="数据分析与市场洞察" class="w-full h-48 object-cover transition-transform duration-500 group-hover:scale-105"> 
         <div class="absolute top-3 left-3"> 
          <span class="badge badge-success"> 新课 </span> 
         </div> 
         <div class="absolute top-3 right-3 bg-black/50 text-white text-xs px-2 py-1 rounded"> 
          <i class="fas fa-clock mr-1"> </i> 6.2小时 
         </div> 
        </div> 
        <div class="p-5"> 
         <div class="flex items-center mb-2"> 
          <span class="badge badge-gray mr-2"> 业务知识 </span> 
          <div class="flex items-center text-yellow-500 text-xs"> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="far fa-star"> </i> 
           <span class="text-text-tertiary ml-1"> (86) </span> 
          </div> 
         </div> 
         <h4 class="text-lg font-semibold mb-2 group-hover:text-primary transition-colors duration-200"> 数据分析与市场洞察 </h4> 
         <p class="text-text-secondary text-sm mb-4 line-clamp-2"> 学习数据分析基础，掌握市场趋势预测方法，提升业务决策能力，发现潜在商机。 </p> 
         <div class="flex items-center justify-between"> 
          <div class="flex items-center"> 
           <img src="./1967868783729049600/a33d93478c222e4a3cbe7e3e625263c9.png" alt="讲师头像" class="w-8 h-8 rounded-full object-cover mr-2"> 
           <span class="text-sm text-text-secondary"> 王分析师 </span> 
          </div> 
          <button class="btn-primary px-3 py-1.5 text-sm"> <i class="fas fa-play mr-1"> </i> 开始学习 </button> 
         </div> 
        </div> 
       </div> 
       <!-- 课程卡片3 --> 
       <div class="bg-white rounded-lg card-shadow overflow-hidden group hover:shadow-lg transition-shadow duration-300"> 
        <div class="relative"> 
         <img src="./1967868783729049600/57fc1ca8b49788fe1a02f605f4b6100c.png" alt="产品知识与应用" class="w-full h-48 object-cover transition-transform duration-500 group-hover:scale-105"> 
         <div class="absolute top-3 left-3"> 
          <span class="badge badge-info"> 必修 </span> 
         </div> 
         <div class="absolute top-3 right-3 bg-black/50 text-white text-xs px-2 py-1 rounded"> 
          <i class="fas fa-clock mr-1"> </i> 3.8小时 
         </div> 
        </div> 
        <div class="p-5"> 
         <div class="flex items-center mb-2"> 
          <span class="badge badge-gray mr-2"> 产品培训 </span> 
          <div class="flex items-center text-yellow-500 text-xs"> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <i class="fas fa-star"> </i> 
           <span class="text-text-tertiary ml-1"> (215) </span> 
          </div> 
         </div> 
         <h4 class="text-lg font-semibold mb-2 group-hover:text-primary transition-colors duration-200"> 2023新产品知识与应用 </h4> 
         <p class="text-text-secondary text-sm mb-4 line-clamp-2"> 全面了解公司2023年新产品特性、技术优势及市场定位，掌握销售与演示技巧。 </p> 
         <div class="flex items-center justify-between"> 
          <div class="flex items-center"> 
           <img src="./1967868783729049600/ab13cab366cb02b0747aa3db891afd2b.png" alt="讲师头像" class="w-8 h-8 rounded-full object-cover mr-2"> 
           <span class="text-sm text-text-secondary"> 张产品总监 </span> 
          </div> 
          <button class="btn-primary px-3 py-1.5 text-sm"> <i class="fas fa-play mr-1"> </i> 开始学习 </button> 
         </div> 
        </div> 
       </div> 
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   <div class="bg-white rounded-lg w-full max-w-2xl max-h-[90vh] overflow-y-auto"> 
    <div class="p-5 border-b border-neutral-dark flex items-center justify-between"> 
     <h3 class="text-lg font-bold"> 搜索课程 </h3> 
     <button id="close-search-modal" class="text-text-tertiary hover:text-text-primary transition-colors duration-200"> <i class="fas fa-times"> </i> </button> 
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       <label class="flex items-center p-2 border border-neutral-dark rounded-md cursor-pointer hover:border-primary hover:bg-primary/5 transition-colors duration-200"> <input type="checkbox" class="mr-2" value="职业技能"> <span> 职业技能 </span> </label> 
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      <h4 class="text-sm font-medium mb-3"> 课程难度 </h4> 
      <div class="flex space-x-3"> 
       <label class="flex items-center p-2 border border-neutral-dark rounded-md cursor-pointer hover:border-primary hover:bg-primary/5 transition-colors duration-200"> <input type="radio" name="difficulty" class="mr-2" value="初级"> <span> 初级 </span> </label> 
       <label class="flex items-center p-2 border border-neutral-dark rounded-md cursor-pointer hover:border-primary hover:bg-primary/5 transition-colors duration-200"> <input type="radio" name="difficulty" class="mr-2" value="中级"> <span> 中级 </span> </label> 
       <label class="flex items-center p-2 border border-neutral-dark rounded-md cursor-pointer hover:border-primary hover:bg-primary/5 transition-colors duration-200"> <input type="radio" name="difficulty" class="mr-2" value="高级"> <span> 高级 </span> </label> 
       <label class="flex items-center p-2 border border-neutral-dark rounded-md cursor-pointer hover:border-primary hover:bg-primary/5 transition-colors duration-200"> <input type="radio" name="difficulty" class="mr-2" value="全部"> <span> 全部 </span> </label> 
      </div> 
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     <div class="mb-5"> 
      <h4 class="text-sm font-medium mb-3"> 课程时长 </h4> 
      <div class="flex space-x-3"> 
       <label class="flex items-center p-2 border border-neutral-dark rounded-md cursor-pointer hover:border-primary hover:bg-primary/5 transition-colors duration-200"> <input type="radio" name="duration" class="mr-2" value="short"> <span> 1小时以内 </span> </label> 
       <label class="flex items-center p-2 border border-neutral-dark rounded-md cursor-pointer hover:border-primary hover:bg-primary/5 transition-colors duration-200"> <input type="radio" name="duration" class="mr-2" value="medium"> <span> 1-3小时 </span> </label> 
       <label class="flex items-center p-2 border border-neutral-dark rounded-md cursor-pointer hover:border-primary hover:bg-primary/5 transition-colors duration-200"> <input type="radio" name="duration" class="mr-2" value="long"> <span> 3小时以上 </span> </label> 
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     <button id="reset-search" class="btn-outline"> 重置 </button> 
     <button id="submit-search" class="btn-primary"> 搜索课程 </button> 
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                item.addEventListener('click', () => {
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                    document.querySelectorAll('.menu-item').forEach(menu => { menu.classList.remove('menu-item-active'); });
                    
                    // 添加当前菜单的活动状态
                    item.classList.add('menu-item-active'); 
                    
                    const menuId = item.getAttribute('data-menu');
                    const submenu = document.getElementById(`submenu-${menuId}`);
                    const icon = item.querySelector('i:last-child');
                    
                    // 切换子菜单显示/隐藏
                    if (submenu.classList.contains('hidden')) {
                        submenu.classList.remove('hidden');
                        icon.classList.remove('fa-chevron-right');
                        icon.classList.add('fa-chevron-down');
                    } else {
                        submenu.classList.add('hidden');
                        icon.classList.remove('fa-chevron-down');
                        icon.classList.add('fa-chevron-right');
                    }
                });
            });
            
            // 子菜单切换功能
            const submenuItems = document.querySelectorAll('.submenu-item[data-page]');
            submenuItems.forEach(item => {
                item.addEventListener('click', () => {
                    // 移除所有子菜单的活动状态
                    document.querySelectorAll('.submenu-item').forEach(submenu => { submenu.classList.remove('submenu-item-active'); });
                    
                    // 添加当前子菜单的活动状态
                    item.classList.add('submenu-item-active');
                    
                    // 获取页面ID和面包屑信息
                    const pageId = item.getAttribute('data-page');
                    const parentMenu = item.closest('.submenu').id.replace('submenu-', '');
                    const parentMenuText = document.querySelector(`.menu-item[data-menu="${parentMenu}"] span`).textContent;
                    const currentMenuText = item.querySelector('span').textContent;
                    
                    // 更新面包屑
                    document.getElementById('breadcrumb').innerHTML = `












<span>${parentMenuText}</span>
  <i class="fas fa-angle-right mx-2 text-xs">
  </i>
  <span>${currentMenuText}</span>
    
    
    
    
    
    
    
    
    
    
    
    
  `;
                    
                    // 切换页面显示
                    document.querySelectorAll('.page').forEach(page => { page.classList.add('hidden'); });
                    document.getElementById(`page-${pageId}`).classList.remove('hidden');
                });
            });
            
            // 侧边栏切换功能
            const toggleSidebar = document.getElementById('toggle-sidebar');
            const sidebar = document.getElementById('sidebar');
            toggleSidebar.addEventListener('click', () => {
                if (sidebar.classList.contains('w-220')) {
                    sidebar.classList.remove('w-220');  
                    sidebar.classList.add('w-20');
                    // 隐藏菜单文本
                    document.querySelectorAll('.menu-item span:first-of-type').forEach(text => { text.classList.add('hidden'); });
                    document.querySelectorAll('.submenu').forEach(submenu => { submenu.classList.add('hidden'); });
                    document.querySelectorAll('.menu-item i:last-child').forEach(icon => { icon.classList.add('hidden'); });
                } else {
                    sidebar.classList.remove('w-20');
                    sidebar.classList.add('w-220');
                    // 显示菜单文本
                    document.querySelectorAll('.menu-item span:first-of-type').forEach(text => { text.classList.remove('hidden'); });
                    // 恢复之前打开的子菜单
                    document.querySelectorAll('.menu-item-active').forEach(menu => {
                        const menuId = menu.getAttribute('data-menu');
                        const submenu = document.getElementById(`submenu-${menuId}`);
                        if (submenu) { submenu.classList.remove('hidden'); }
                    });
                    document.querySelectorAll('.menu-item i:last-child').forEach(icon => { icon.classList.remove('hidden'); });
                }
            });
            
            // 课程搜索模态框功能
            const courseSearchModal = document.getElementById('course-search-modal');
            
            // 打开搜索模态框
            document.getElementById('btn-course-search').addEventListener('click', () => {
                courseSearchModal.classList.remove('hidden');
                courseSearchModal.classList.add('flex');
            });
            
            // 关闭搜索模态框
            document.getElementById('close-search-modal').addEventListener('click', () => {
                courseSearchModal.classList.add('hidden');
                courseSearchModal.classList.remove('flex');
            });
            
            // 点击模态框外部关闭
            courseSearchModal.addEventListener('click', (e) => {
                if (e.target === courseSearchModal) {
                    courseSearchModal.classList.add('hidden');
                    courseSearchModal.classList.remove('flex');
                }
            });
            
            // 重置搜索条件
            document.getElementById('reset-search').addEventListener('click', () => {
                document.getElementById('search-course-input').value = '';
                document.querySelectorAll('input[type="checkbox"]').forEach(checkbox => {
                    checkbox.checked = false;
                });
                document.querySelectorAll('input[type="radio"]').forEach(radio => {
                    radio.checked = false;
                });
            });
            
            // 提交搜索
            document.getElementById('submit-search').addEventListener('click', () => {
                // 这里可以添加搜索逻辑
                alert('搜索功能已触发，实际项目中会根据条件查询课程');
                courseSearchModal.classList.add('hidden');
                courseSearchModal.classList.remove('flex');
            });
        });</script>  
 </body>
</html>